object DataSource { get; set; }

Property DataSource As Object

mailMergeOptions.DataSource = invoices;
}

// Assign the data source (customers collection). Null-propagation prevents exceptions if deserialization failed.
myMergeOptions.DataSource = nwind?.Customers;

MailMergeOptions myMergeOptions = richEditControl1.Document.CreateMailMergeOptions();
myMergeOptions.DataSource = new SampleData();
myMergeOptions.FirstRecordIndex = 1;

myMergeOptions.MergeMode = MergeMode.NewSection;
myMergeOptions.DataSource = new SampleData();

MailMergeOptions myMergeOptions = wordProcessor.Document.CreateMailMergeOptions();
myMergeOptions.DataSource = RichEditHelper.FillDataTable();
myMergeOptions.MergeMode = mergeMode;

invoices.Add(New Invoice(2, "Invoice3", 20.0D))
    mailMergeOptions.DataSource = invoices
ElseIf Equals(templateName, "preview2") Then

Dim myMergeOptions As MailMergeOptions = richEditControl1.Document.CreateMailMergeOptions()
myMergeOptions.DataSource = New SampleData()
myMergeOptions.FirstRecordIndex = 1

myMergeOptions.MergeMode = MergeMode.NewSection
myMergeOptions.DataSource = New SampleData()